Side door casing spool for an oilwell casing



FIG. 1 is a perspective view taken from the top, front and left side of a side door casing spool for an oilwell casing showing our new design;

FIG. 2 is a front elevational view thereof, the rear being the same as the front shown;

FIG. 3 is a left side elevational view thereof, the right side being the same as the left side shown; and,

FIG. 4 is a top plan view thereof, the bottom being the same as the top shown. 

The ornamental design for a side door casing spool for an oilwell casing, as shown and described. 